import re


H, W = map(int, input().split())

grid = []

for _ in range(H):
    s = input()
    new_s = re.sub("yiwiy9", "yiwiY9", s)
    s_new_s = re.sub("9yiwiy", "9Yiwiy", new_s)
    grid.append(s_new_s)

for g in grid:
    print(g)